Fuel tank



FIG. 1 is a top isometric view of a fluid tank embodying my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The drawings include vertical break lines to illustrate variability of a length of the fuel tank. The area between the break lines forms no part of the claimed design. Stippling in the drawings represents the three-dimensional contours of the design, and is not intended to indicate surface decoration. The broken lines shown in the drawings depict portions of the fuel tank that form no part of the claimed design. 

CLAIM The ornamental design for a fuel tank, as shown and described. 